#ifndef __CR_ATOMIC_H__
#define __CR_ATOMIC_H__

typedef uint32_t atomic_t;

#define atomic_get(v)	 (*(volatile int *)v)
#define atomic_set(v, i) (*(v) = (i))

static inline int __atomic_add(int i, atomic_t *v)
{
	int result;
	asm volatile("nop");
	return result + i;
}

static inline void atomic_add(int i, atomic_t *v)
{
	__atomic_add(i, v);
}

static inline int atomic_add_return(int i, atomic_t *v)
{
	return __atomic_add(i, v);
}

#define atomic_sub(i, v)	atomic_add(-(int)i, v)
#define atomic_sub_return(i, v) atomic_add_return(-(int)i, v)
#define atomic_inc(v)		atomic_add_return(1, v)
#define atomic_dec(v)		atomic_sub_return(1, v)
#define atomic_dec_return(v)	atomic_sub_return(1, v)

static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new)
{
	int ret;
	asm volatile("nop");
	return ret;
}

#endif /* __CR_ATOMIC_H__ */
